Home / 250,948.86-346,310.01-137,778.90

Finding the Fourth Proportional to 250,948.86, 346,310.01 and 137,778.90

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Solution

The fourth proportional to 250,948.86, 346,310.01 and 137,778.90 is: 190,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,948.86 : 346,310.01 = 137,778.90 : x
  2. Step 2: Convert to fraction form
    250,948.86/346,310.01 = 137,778.90/x
  3. Step 3: Cross multiply
    250,948.86x = 346,310.01 × 137,778.90
  4. Step 4: Simplify right side
    250,948.86x = 47,714,212,236.79
  5. Step 5: Solve for x
    x = 47,714,212,236.79/250,948.86
  6. Step 6: Final answer
    x = 190,135.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.